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S3 Ventures

Texas-born venture firm investing nationwide in business software and healthcare technology

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About S3 Ventures

S3 Ventures is a venture capital firm that began in Texas and now invests across the United States. It has a single limited partner, a philanthropic family, which lets the firm act with patience and without the constant pressure of raising new funds.

Products and services

  • Seed, Series A and Series B investment: the firm leads rounds at these stages.
  • Patient capital: long holding periods enabled by its single backer.
  • Founder resources: practical help alongside funding.

Customers and markets

Companies in business software and healthcare technology, from founders reimagining how the world works, lives and heals.

Key facts

  • Founded: 2005
  • Origin: Texas
  • Backer: one limited partner, linked to a family foundation focused on social inequity
  • Track record: the site cites more than fifty investments and thirty realised exits

Profile written by TrustList from the business's own published information, Oct 2026.

What the business tells TrustList

Founded
2005 (21 years) evidence sent

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